How many movies have Hans Kenneth Hammerstrom and J.R. Bookwalter collaborated on?
They have worked on 1 movie together! Their first movie together was Robot Ninja (1989) and was their highest rated movie together. They have not worked together since Robot Ninja (1989).
Role
Bookstore Ken
Crew
Director
Crew
Writer
Crew
Producer
Crew
Editor
Crew
Original Music Composer
Role
Spinell